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</pre><pre class="rust"><code><span class="kw">use crate</span>::{lowercase, transform};
<span class="doccomment">/// This trait defines a kebab case conversion.
///
/// In kebab-case, word boundaries are indicated by hyphens.
///
/// ## Example:
///
/// ```rust
/// use heck::KebabCase;
///
/// let sentence = &quot;We are going to inherit the earth.&quot;;
/// assert_eq!(sentence.to_kebab_case(), &quot;we-are-going-to-inherit-the-earth&quot;);
/// ```
</span><span class="kw">pub trait </span>KebabCase: ToOwned {
<span class="doccomment">/// Convert this type to kebab case.
</span><span class="kw">fn </span>to_kebab_case(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="self">Self</span>::Owned;
}
<span class="kw">impl </span>KebabCase <span class="kw">for </span>str {
<span class="kw">fn </span>to_kebab_case(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="self">Self</span>::Owned {
transform(<span class="self">self</span>, lowercase, |s| s.push(<span class="string">&#39;-&#39;</span>))
}
}
<span class="attribute">#[cfg(test)]
</span><span class="kw">mod </span>tests {
<span class="kw">use </span><span class="kw">super</span>::KebabCase;
<span class="macro">macro_rules! </span>t {
(<span class="macro-nonterminal">$t</span>:ident : <span class="macro-nonterminal">$s1</span>:expr =&gt; <span class="macro-nonterminal">$s2</span>:expr) =&gt; {
<span class="attribute">#[test]
</span><span class="kw">fn </span><span class="macro-nonterminal">$t</span>() {
<span class="macro">assert_eq!</span>(<span class="macro-nonterminal">$s1</span>.to_kebab_case(), <span class="macro-nonterminal">$s2</span>)
}
};
}
<span class="macro">t!</span>(test1: <span class="string">&quot;CamelCase&quot; </span>=&gt; <span class="string">&quot;camel-case&quot;</span>);
<span class="macro">t!</span>(test2: <span class="string">&quot;This is Human case.&quot; </span>=&gt; <span class="string">&quot;this-is-human-case&quot;</span>);
<span class="macro">t!</span>(test3: <span class="string">&quot;MixedUP CamelCase, with some Spaces&quot; </span>=&gt; <span class="string">&quot;mixed-up-camel-case-with-some-spaces&quot;</span>);
<span class="macro">t!</span>(test4: <span class="string">&quot;mixed_up_ snake_case with some _spaces&quot; </span>=&gt; <span class="string">&quot;mixed-up-snake-case-with-some-spaces&quot;</span>);
<span class="macro">t!</span>(test5: <span class="string">&quot;kebab-case&quot; </span>=&gt; <span class="string">&quot;kebab-case&quot;</span>);
<span class="macro">t!</span>(test6: <span class="string">&quot;SHOUTY_SNAKE_CASE&quot; </span>=&gt; <span class="string">&quot;shouty-snake-case&quot;</span>);
<span class="macro">t!</span>(test7: <span class="string">&quot;snake_case&quot; </span>=&gt; <span class="string">&quot;snake-case&quot;</span>);
<span class="macro">t!</span>(test8: <span class="string">&quot;this-contains_ ALLKinds OfWord_Boundaries&quot; </span>=&gt; <span class="string">&quot;this-contains-all-kinds-of-word-boundaries&quot;</span>);
<span class="macro">t!</span>(test9: <span class="string">&quot;XΣXΣ baffle&quot; </span>=&gt; <span class="string">&quot;xσxς-baffle&quot;</span>);
<span class="macro">t!</span>(test10: <span class="string">&quot;XMLHttpRequest&quot; </span>=&gt; <span class="string">&quot;xml-http-request&quot;</span>);
}
</code></pre></div>
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